* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: #000;
  color: #ededed;
  line-height: 1.7
}

a {
  color: #e07a3a;
  text-decoration: none
}

a:hover {
  text-decoration: underline
}

.app {
  display: flex;
  min-height: 100vh
}

/* Sidebar */
.sidebar {
  width: 272px;
  border-right: 1px solid #1e1e21;
  background: #000;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 20;
  display: flex;
  flex-direction: column;
  transition: transform .2s
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid #1e1e21;
  display: flex;
  align-items: center;
  justify-content: space-between
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #fafafa;
  font-size: 15px
}

.logo:hover {
  text-decoration: none
}

.logo svg {
  width: 20px;
  height: 20px
}

.logo-badge {
  font-size: 10px;
  font-weight: 500;
  background: #27272a;
  color: #a1a1aa;
  padding: 2px 6px;
  border-radius: 4px
}

.search-box {
  padding: 12px 16px 4px
}

.search-wrapper {
  position: relative
}

.search-input {
  width: 100%;
  background: #18181b;
  border: 1px solid #27272a;
  border-radius: 8px;
  padding: 8px 12px 8px 32px;
  color: #fafafa;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s
}

.search-input:focus {
  border-color: #e07a3a
}

.search-input::placeholder {
  color: #52525b
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #52525b;
  pointer-events: none;
  width: 14px;
  height: 14px
}

.nav-group {
  padding: 12px 0
}

.nav-group-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #52525b;
  padding: 0 20px 6px
}

.nav-item {
  display: block;
  padding: 5px 20px 5px 28px;
  font-size: 13px;
  color: #a1a1aa;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all .1s
}

.nav-item:hover {
  color: #fafafa;
  background: #18181b;
  text-decoration: none
}

.nav-item.active {
  color: #e07a3a;
  background: #1a1510;
  border-left-color: #e07a3a
}

.nav-item.hidden {
  display: none
}

/* Main */
.main {
  flex: 1;
  margin-left: 272px
}

.topbar {
  padding: 12px 32px;
  border-bottom: 1px solid #1e1e21;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #52525b
}

.topbar a {
  color: #71717a;
  font-size: 13px
}

.topbar a:hover {
  color: #fafafa;
  text-decoration: none
}

.topbar span {
  color: #52525b
}

.content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 32px 80px
}

/* Mobile toggle */
.menu-btn {
  display: none;
  background: none;
  border: none;
  color: #a1a1aa;
  cursor: pointer;
  padding: 4px
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .6);
  z-index: 15
}

/* Markdown */
.md h1 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid #27272a
}

.md h2 {
  font-size: 21px;
  font-weight: 600;
  margin: 36px 0 14px;
  color: #fafafa
}

.md h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 28px 0 10px
}

.md h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: #d4d4d8
}

.md p {
  margin-bottom: 14px;
  color: #d4d4d8
}

.md ul,
.md ol {
  margin: 0 0 14px 24px;
  color: #d4d4d8
}

.md li {
  margin-bottom: 6px
}

.md code {
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 13px;
  background: #18181b;
  padding: 2px 6px;
  border-radius: 4px;
  color: #e07a3a
}

.md pre {
  background: #0a0a0a;
  border: 1px solid #27272a;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 18px
}

.md pre code {
  background: none;
  padding: 0;
  color: #a1a1aa
}

.md table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
  font-size: 14px
}

.md th,
.md td {
  text-align: left;
  padding: 10px 14px;
  border: 1px solid #27272a
}

.md th {
  background: #18181b;
  font-weight: 600;
  font-size: 13px
}

.md td {
  color: #d4d4d8
}

.md blockquote {
  border-left: 3px solid #e07a3a;
  padding: 12px 16px;
  margin: 0 0 16px;
  color: #a1a1aa;
  background: #18181b;
  border-radius: 0 8px 8px 0
}

.md blockquote p {
  margin-bottom: 0
}

.md hr {
  border: none;
  border-top: 1px solid #27272a;
  margin: 28px 0
}

.md strong {
  color: #fafafa
}

.md img {
  max-width: 100%;
  border-radius: 8px
}

.loading {
  color: #52525b;
  text-align: center;
  padding: 60px 0;
  font-size: 14px
}

.error {
  color: #ef4444;
  background: #1c1917;
  border: 1px solid #7f1d1d;
  padding: 16px;
  border-radius: 8px
}

/* Home grid */
.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 24px
}

.home-card {
  background: #111;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 10px;
  padding: 20px;
  cursor: pointer;
  transition: all .15s
}

.home-card:hover {
  border-color: #e07a3a;
  background: #1a1510;
  text-decoration: none
}

.home-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #fafafa
}

.home-card p {
  font-size: 12px;
  color: #71717a;
  margin: 0
}

/* Responsive */
@media(max-width:768px) {
  .sidebar {
    transform: translateX(-100%)
  }

  .sidebar.open {
    transform: translateX(0)
  }

  .overlay.open {
    display: block
  }

  .main {
    margin-left: 0
  }

  .menu-btn {
    display: block
  }

  .content {
    padding: 24px 16px 60px
  }

  .topbar {
    padding: 12px 16px
  }
}